/*
pub fn convert_temperature(value: f64, from_unit: &str, to_unit: &str) -> Result<f64, String> {
    // TODO: Implement the function here
    match (from_unit.to_owned() + to_unit).as_str() {
        "CF" => Ok(value * (9f64 / 5f64) + 32f64),
        "FC" => Ok((value - 32f64) * (5f64 / 9f64)) ,
        "CK" => Ok(value + 273.15),
        "KC" => Ok(value - 273.15),
        "FK" => Ok((value - 32f64) * (5f64 / 9f64) + 273.15),
        "KF" => Ok((value - 273.15) * (9f64 / 5f64) + 32f64),
        _ => Err("Invalid unit".to_string())
    }
}
*/
